Today I learned that ...

About hazard pointers.

There is std::ostream_iterator.

GJK is used for collision detection in video game physics engines.

That birds have very special legs.

While there are min-Heaps and max-Heaps there are also min-max-heaps.

Although they're resource-efficient, Green threads are named after their designers: the Green Team at Sun.

The Kakapo is the only flightless, nocturnal parrot alive.

Besides looking up, down, left and right you can also rotate your eyes. This is called cyclorotation. Your eyes do this to maintain a steady depth perception. And you can learn to do this actively.

The speed of light is constant in all directions by convention.

If you use your body to block someone from entering your home its a form of Phragmosis.

There is not only Three-sided football but also Four-player chess.

While CAP imposes a trade off between consistency and availability during a partition, PACELC describes the base state as a trade off between consistency and latency.

Portia is a genus of intelligent spider-eating spiders that probably are capable of learning and problem solving.

There is no consensus without timeouts.

The Tesla valve is a one-way valve without moving parts and very durable. It doesn't block the flow completely though.

There is an almost always division free algorithm to uniformly sample random integers from an interval.

You can write a CPU using an HDL which then can be synthesized into a integrated circuit.

The Möbius strip can be embedded into R³ without self intersection and a circle as boundary.

A k-d tree is a great data structure for searching in multiple dimensions.

Distributed consistency is easy when the problem is monotonic.

I need a website where I can collect and share all the things I learn.